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An exhaust fan pulls damp air out of a retrofitted sealed crawlspace while drawing in dry air from the living space
Basement plan showing sump pump location and perimeter drain that empties to the sump pit
Before sealing and insulating the crawlspace, the windows were sealed, the window wells backfilled, and sumps pumps were installed that discharged to the gutter downspouts
Wrong -The top of the sump pump crock is too high above the crawlspace grade level for any water in the crawl to enter the sump.